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Patent-Pending Coil Straighteners


COE’s entire family power straighteners feature design enhancements proven to enable processing of a wider range of materials including Advanced High Strength Steels (AHSS). Featuring modular design and construction, our straighteners are recognized as the “best value in the industry”.

These straighteners offer a 30+ percent improvement in strength and rigidity as well as increased bearing load capacity. Addressing both coil set and crossbow issues, COE straighteners provide leveler-quality flatness at straightener cost. 

Straightener Specifications

  • Styles: 250, patent pending 350, 306, 406, 507
  • Coil width: 1” - 78”
  • Material Thickness: .010” - .725”
  • Yield Strength: 10 – 300 KSI
  • Pull-off Capacity: up to 60,000#
  • Speed: up to 250 FPM
  • Materials: Aluminum, AHSS, CR Steel, HR Steel, Galvanized, Stainless, Pre-painted

Optional: Fineblanking edition available

HD Series Cut Sheet

A Straightener for the Most Demanding Materials

We offer our patent-pending HD Series power straighteners with significant design enhancements over previous heavy duty straightener styles.


Straightening AHSS Article

Advanced straighteners needed to flatten stubborn advanced high-strength steels

Advanced high-strength steel (AHSS) is composed of complex steel chemistries and thermomechanical properties that improve strength and ductility.